describe plaster of Paris
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- It is a Calcium sulphate hemihydrate.
- Chemical Formula -
- The plaster of Paris is made up of gypsum, lime and cement.
- It is invented by Dr. Anthonius Mathijsen.
- It is obtained by heating gypsum at the temperature of 376K. While heating, gypsum loses its water molecules and creates plaster of Paris.
- It is used in medical field. Doctor used it for joining the fractured bones.
- It is used for creating designs and patterns on the ceiling.
- It is used for filling gaps between roofs and walls.
- It is used as a cement for making decorative materials.
- It is also used for creating chalks.
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